Hockey Night Online: Flagging controversial calls

11/18/2013 01:35 EST | Updated 01/23/2014 06:58 EST
Click on the video player above and watch on demand as host David Amber is joined via Skype by Hockey Night in Canada Radio host Rob Pizzo to debate the merits of throwing the challenge flag, as Vancouver head coach John Tortorella wished to in Sunday's 2-1 loss to Dallas. 

Hockey Night Online streams live weekdays at 11:30 a.m. ET.